Base | Representation |
---|---|
bin | 11100100001000110… |
… | …100001101101001111 |
3 | 2221000222011202222121 |
4 | 130201012201231033 |
5 | 1000202223131002 |
6 | 22022223353411 |
7 | 2132536545256 |
oct | 344106415517 |
9 | 87028152877 |
10 | 30620130127 |
11 | 11a932a0a74 |
12 | 5b26752867 |
13 | 2b6c9bb3c2 |
14 | 16a695179d |
15 | be32c1237 |
hex | 7211a1b4f |
30620130127 has 4 divisors (see below), whose sum is σ = 30633046936. Its totient is φ = 30607213320.
The previous prime is 30620130113. The next prime is 30620130133. The reversal of 30620130127 is 72103102603.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30620130127 is a prime.
It is a super-2 number, since 2×306201301272 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30620130137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6454848 + ... + 6459589.
It is an arithmetic number, because the mean of its divisors is an integer number (7658261734).
Almost surely, 230620130127 is an apocalyptic number.
30620130127 is a deficient number, since it is larger than the sum of its proper divisors (12916809).
30620130127 is a wasteful number, since it uses less digits than its factorization.
30620130127 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12916808.
The product of its (nonzero) digits is 1512, while the sum is 25.
The spelling of 30620130127 in words is "thirty billion, six hundred twenty million, one hundred thirty thousand, one hundred twenty-seven".
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